Vintage H N White American Standard Silver Cornet With Case & Mouthpiece.  The valves have decent action still for their age.  There is a dent on back of the pipe as it turns to the bell.  The bell has some 'crinkles' to it also.  The serial number is 31149.  It has a  HN White Equa-Tru 36 mouthpiece.  The case is in good condition for it's also.